Format all tests.

tests/corelib/queue_single_test.dart

Index: tests/corelib/queue_single_test.dart
diff --git a/tests/corelib/queue_single_test.dart b/tests/corelib/queue_single_test.dart
index 22f80480f3e52f30e2054823bc48d9cdfb45abff..53893958efca21152f625d293844fc30fc160ac5 100644
--- a/tests/corelib/queue_single_test.dart
+++ b/tests/corelib/queue_single_test.dart
@@ -3,6 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 library queue.single.test;
+
 import "package:expect/expect.dart";
 import 'dart:collection' show Queue;
 
@@ -10,9 +11,7 @@ main() {
   Queue<int> queue1 = new Queue<int>();
   queue1.add(42);
   Queue queue2 = new Queue();
-  queue2..add(11)
-      ..add(12)
-      ..add(13);
+  queue2..add(11)..add(12)..add(13);
   Queue queue3 = new Queue();
 
   Expect.equals(42, queue1.single);